/Engine/Plugins/Runtime/Synthesis/Source/Synthesis/Classes/SynthComponents/SynthComponentMonoWaveTable.h
Inform the synth if the sustain pedal is pressed or not.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Synth|Components|Audio") void SetSustainPedalState ( bool InSustainPedalState )